Ulauncher 5.15 (Extension API v2.0.0)

Here you can find only docs on extensions and color themes. Everything else is on Github Wiki.


To find out how to migrate your extension from API v1 to v2 navigate to Extension Migration

Custom Color Themes

Color Themes

Create your own color themes

Extension Development Guide


Understand what Ulauncher extensions are and how they work.

Development Tutorial

Create your first extension in under 5 minutes.


Events that your extensions can subscribe to and handle.


Actions that your extensions perform in response to events.

Available Libraries

List of libraries that you can use in your extensions.


Learn from other Ulauncher extensions.

Testing & Logging

Debugging tips.

Extension Migration

How to migrate from one version of Extension API to a new one.

Indexes and tables